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What optimizations can GHC be expected to perform reliably?
GHC has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances.
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Setting different color for each series in scatter plot on matplotlib
Suppose I have three data sets:
7 Answers
7
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.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
Assuming I have an ArrayList
9 Answers
9
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Java - get pixel array from image
I'm looking for the fastest way to get pixel data (int the form int[][] ) from a BufferedImage . My goal is to be able to address pixel (x, y) from the image using int[x][y] . All the methods I have found do not do this (most of them return int[] s).
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Two-dimensional array in Swift
I get so confused about 2D arrays in Swift. Let me describe step by step. And would you please correct me if I am wrong.
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Delete first character of a string in Javascript
I want to delete the first character of a string, if the first character is a 0. The 0 can be there more than once.
14 Ans...
Why 0 is true but false is 1 in the shell?
The above will output 1 , which is contradictory with all other programming languages I know.
10 Answers
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Interpolating a string into a regex
I need to substitute the value of a string into my regular expression in Ruby. Is there an easy way to do this? For example:
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
I've been reading some things on neural networks and I understand the general principle of a single layer neural network. I understand the need for aditional layers, but why are nonlinear activation functions used?
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clearing a char array c
I thought by setting the first element to a null would clear the entire contents of a char array.
16 Answers
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